WATERMARK INFORMATION EMBEDDING DEVICE, WATERMARK INFORMATION DETECTION DEVICE, WATERMARK INFORMATION EMBEDDING METHOD, WATERMARK INFORMATION DETECTION METHOD, AND PRINTED MATTER,申请号EP20040799484-传众专利搜索

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发明名称	WATERMARK INFORMATION EMBEDDING DEVICE, WATERMARK INFORMATION DETECTION DEVICE, WATERMARK INFORMATION EMBEDDING METHOD, WATERMARK INFORMATION DETECTION METHOD, AND PRINTED MATTER
摘要
申请公布号	EP1684496(A4)	申请公布日期	2010.02.17
申请号	EP20040799484	申请日期	2004.11.04
申请人	OKI ELECTRIC INDUSTRY COMPANY, LIMITED	发明人	MAENO, KURATO
分类号	G06T1/00;H04N1/32;G06T9/00;H04N1/387	主分类号	G06T1/00
代理机构		代理人
主权项
地址

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